Why do birth control pills contain hormones?

2 answers:

4 0

Birth control pills contain mam-made forms of two hormones called Estrogen and Progestin. Both hormones prevent a woman's ovary from releasing an egg during her menstrual cycle. They do this by changing the levels of the natural hormones the body makes.

VashaNatasha [74]2 years ago

4 0

Answer:

The hormones control release of the eggs.

Explanation:

A P E X

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How many skull bone in human body?

balu736 [363]

Answer:

There are 29 skull bones in human body.

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2 years ago

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Explain how carbon is cycled between the atmosphere and geosphere. Use specific examples.

Over [174]

Answer:

Carbon starts as coal or oil in the earth, then is brought up by mining or drilling. When brought up, it is used up and the gases go into the atmosphere. Trees, soil and water act as carbon sinks, which suck up all the carbon from the air and contain it. When carbon is absorbed by the soil, it goes back into the ground.

Explanation:

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Assume that in cattle a spotted coat is dominant to an even coat, short horns are dominant to long horns, and the traits for coa

kow [346]

Answer:

C. 1/4

Explanation:

Let's assume that the allele for the spotted coat is "S" and the one for the even coat is "s". The allele "L" gives short horns while the recessive allele "l" imparts long horns. The genotype of the cattle heterozygous for both traits would be SsLl. A cross between two heterozygous cattle would produce progeny in following phenotype ratio=

9 spotted coat and short horns: 3 even coat and short horns: 3 spotted coat and long horns: 1 even coat and long horns.

Therefore, the proportion of the progeny with long horns = 4/16= 1/4